Retainer lid



FIG. 1 is a top, left and back perspective view of a retainer lid.

FIG. 2 is a top plan view thereof.

FIG. 3 is a bottom plan view thereof.

FIG. 4 is a front elevation view, the back-elevation view being a mirror image thereof; and,

FIG. 5 is a left elevation view, the right elevation view being a mirror image thereof. 

CLAIM The ornamental design for a retainer lid, as shown and described. 